Home / 21,794,029.75-30,075,761.06-12,631,986.91

Finding the Fourth Proportional to 21,794,029.75, 30,075,761.06 and 12,631,986.91

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Solution

The fourth proportional to 21,794,029.75, 30,075,761.06 and 12,631,986.91 is: 17,432,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794,029.75 : 30,075,761.06 = 12,631,986.91 : x
  2. Step 2: Convert to fraction form
    21,794,029.75/30,075,761.06 = 12,631,986.91/x
  3. Step 3: Cross multiply
    21,794,029.75x = 30,075,761.06 × 12,631,986.91
  4. Step 4: Simplify right side
    21,794,029.75x = 379,916,620,018,207.69
  5. Step 5: Solve for x
    x = 379,916,620,018,207.69/21,794,029.75
  6. Step 6: Final answer
    x = 17,432,141.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.